Bed-spring.



A. R. MASTERS.

BED SPRING.

APPLICATION FILED MAR. 26, 19H.

Patented Jan. I5, NIS.

2 SHEETS-SHEET I.

Snom/#Sofa I A. R. MASTERS.

BED SPRING. APPLICATION FILED MAILZB. 19H.

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lttoznew ARTHUR n. MASTERS, or BEATRICE, NEBRASKA.

BED-SPRING.

Speccation of Letters Patent.

Patented dan. 15, T913.

Application filed. March 26, 1917. Serial No. 157,510.

To all whom it may concern:

Be it Iknown that l, ARTHUR R. MASTERS, a citizen of the United States, residing at Beatrice, in the county of Gage and State `of Nebraska, have invented a new and useful Bed-Spring, of which the following is a. specification.

The present invention appertains to bed springs, and aims to provide a. novel and Vimproved bed spring construction having mea-ns for holding the bed spring fabric taut 1n an eective manner, and for supporting said fabric in a transversely arched or convex form ordinarily, in order to imview which will appear as the description' proceeds, the invention resides in the combination and arrangement of parts and in the details of construction hereinafter described and claimed, it being understood that changes in the precise embodiment of the invention herein disclosed, can be made within the scope of what is claimed, without departing from the spirit of the invention.,

The invention is illustrated in the accompanying drawings, wherein z- Figure 1 is a plan view of the improved bed spring.

Fig. 2 is a longitudinal section thereof on the line 2-2 of Fig. 1.

Fig. 3 is a cross section on the line 3-3 of Fig. 2.

In carrying out the invention, there are provided longitudinal side rails l of angle iron having outwardly and upwardly extending flanges, merging at their ends into upwardly curved brackets 2. Transverse yokes 3 which are slightly arcuate or convexed from end to end are provided at their ends with downturned or depending levers 4, preferably integral with the yokes or cross pieces 3. Said yokes are preferably constructed of angle iron having inwardly and downwardly extending flanges. and said anges extend or merge into the flanges of the levers 4. One flange of each lever l is pivotcd, as at 5, between its ends to the corresponding bracket 2, and the end of said bracket is rounded, as at 6, and bears against the other flange of the lever, whereby to provide a rollingvcontact to remove most of the strain from the pivot. The yokes 3 being carried by the upper arms of the levers, serve to connect the ends of the rails l.

The bed spring fabric 7 is connected at its ends with the inwardly projecting curved flanges of the yokes or cross pieces 3, whereby said fabric is arched or convexed transversely, beinghigher at the longitudinal center than at the edges, and retractile springs 8 being disposed between one end of the fabric and one yoke 3 to yieldably support the fabric, whereby it can be depressed for the comfort of the person reclining thereon. rlhe fabric in thus being arched or convexed will improve the appearance of the bed or cot, and when the weight is imposed on the fabric, this will practically bring the fabric level with the side edges thereof, instead of sagging so much at the center as usual. Furthermore, the leverage at the centers of the yokes 3 is greater than at the ends of the yokes, due to the fact that the intermediate portions of the yokes are spaced farther from the transverse axes of the pivots 5, in order that when the yokes 3 are swung with the levers away from one another, this will apply greater strain to the intermediate portion of the fabric for better resisting the excessive depression thereof.

Coiled wire retractile springs 9 of suit able tension have their ends hooked or otherwise engaged through apertures 10 with which the lower terminals of the levers 4 are provided, said lower terminals of the levers being offset inwardly from the rails 1, whereby when said rails are applied to a supporting frame, this will not interfere with the swinging movement of the levers at. Pairs of rods 11 are connected at their remote ends with the adjacent ends of the springs 9 at the two sides, and one rod ll of each pair is connected by an S-shaped or double hook 12 with the corresponding spring 9 for detachably connecting the parts. The remote ends of the rods 11 have loops or hooks for the engagement of the springs and hooks or coupling members 12, and the adj acent ends of the rods are connected b v turn buckles 13 whereby the rods can be adjusted relatively for regulating the tension of the springs 9. The springs at the opposite sides tend to pull the levers 4 of the two yokes 3 toward one another, that is, they tend to swing the lower longer arms of said levers toward one another, thereby swinging the upper shorter arms of the levers l and yokes 3 away from one another to hold the fabric 7 taut, but the levers l and yokes 3 can yield when the fabric is depressed or subjected to the weight of the occupant.

The spring construction can be used in beds, cots, and the like, and as illustrated Vis supported by a frame to provide a cot. This frame embodies parallel longitudinal side rails 14 of angle iron having inwardly and upwardly extending flanges, and the terminals of the rails 14 are bent down` wardly, as at 15, and are riveted or otherwise secured to legs 16, and cross pieces or bars 17 are secured to the portions 15 for connecting the opposite rails 14 and legs 16. The outstanding flanges of the rails 1 can seat in the inwardly projecting flanges of the rails 14, as seen in Fig. 3, whereby to conveniently support the spring construction. In a similar manner, the rails 1 of the spring construction Can be applied to the rails of vari- -ous beds or cot frames.

Having thus described the invention, what is claimed as new is z- 1. A bed spring construction embodying rails having rounded ends, yolres having downwardly extending levers pivoted between their ends to the rails near the ends thereof, said levers having portions bearing against the rounded ends of the rails to have a rolling action thereagainst, and spring inea-ns connecting the levers below said rounded ends of the rails for separating the yokes.

2. A bed spring construction embodying rails having upwardly extending brackets at their ends provided with rounded vends,

yokes having downwardly extending leversv at their ends, each lever'having a kflange pivoted tothe end portion of the corresponding bracket and another flangeV bearing against the rounded end of the bracket to have a` rolling action thereagainst, the

lower ends of the levers being olset in- ARTHUR R. MASTERS.

Witnesses:

FRANK SALTZ, JOHN T. GREENWOOD.

Copies of this patent may be obtained for nve cents each, by addressing the Commissioner of Patents,

Washington, D. C. 

